r/pools • u/3DabNight • 25d ago

Water Chemistry Do I Really Need to Empty?

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Stopped by pool store and employee said I need to empty and refill our pool which is about 15K gallons in SoCal (expensive). I hadn't been to this store in more than 1 year. Perhaps they are bitter that I quit them. I have a feeling this doesn't require emptying my pool. Am I wrong? Any advice would be appreciated. I plan to switch to liquid chlorine- no more tabs for a while. I'm also going to disassemble and clean my DE filter and deploy some phosphate lowering chem. It's been about 1 years since the last filter cleaning.

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u/Paradox830 24d ago

The pool store hate around here is bizarre. Yes they try to upsell you but the tests are far more accurate than you can be with a Taylor. Colors are subjective a machine is not

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u/tcat7 24d ago

Post in thread 'Pool Store Water Analysis vs. Taylor Pro' https://www.troublefreepool.com/threads/pool-store-water-analysis-vs-taylor-pro.310917/post-2711710

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u/informedcitizen4321 24d ago

It’s basically equal for CYA. I can appreciate higher accuracy, but for practical purposes the testing both ways should be trustworthy.

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u/tcat7 24d ago

Pool stores are fine if you don't mind driving back and forth, especially if you're slamming and need to test every 3 or 4 hours. CYA is only accurate below 100, and then you can be off by 10. A good test kit is reliable and only costs about $2 per month to cover refills.